explain select ca_zip, ca_county, sum(ws_sales_price) from web_sales JOIN customer ON web_sales.ws_bill_customer_sk = customer.c_customer_sk JOIN customer_address ON customer.c_current_addr_sk = customer_address.ca_address_sk JOIN date_dim ON web_sales.ws_sold_date_sk = date_dim.d_date_sk JOIN item ON web_sales.ws_item_sk = item.i_item_sk where ( item.i_item_id in (select i_item_id from item i2 where i2.i_item_sk in (2, 3, 5, 7, 11, 13, 17, 19, 23, 29) ) ) and d_qoy = 2 and d_year = 2000 group by ca_zip, ca_county order by ca_zip, ca_county limit 100;
